-#!/usr/bin/env python
-import sys, os, glob
-from bup import options, _version
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/bup-python" || exit $?
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+import sys
+from bup import options
+from bup import _version
optspec = """
bup version [--date|--commit|--tag]
commit display the git commit id of this version of bup
tag display the tag name of this version. If no tag is available, display the commit id
"""
-o = options.Options('bup version', optspec)
+o = options.Options(optspec)
(opt, flags, extra) = o.parse(sys.argv[1:])
-def autoname(names):
- names = names.strip()
+
+total = (opt.date or 0) + (opt.commit or 0) + (opt.tag or 0)
+if total > 1:
+ o.fatal('at most one option expected')
+
+
+def version_date():
+ """Format bup's version date string for output."""
+ return _version.DATE.split(' ')[0]
+
+
+def version_commit():
+ """Get the commit hash of bup's current version."""
+ return _version.COMMIT
+
+
+def version_tag():
+ """Format bup's version tag (the official version number).
+
+ When generated from a commit other than one pointed to with a tag, the
+ returned string will be "unknown-" followed by the first seven positions of
+ the commit hash.
+ """
+ names = _version.NAMES.strip()
assert(names[0] == '(')
assert(names[-1] == ')')
names = names[1:-1]
for n in l:
if n.startswith('tag: bup-'):
return n[9:]
+ return 'unknown-%s' % _version.COMMIT[:7]
-total = (opt.date or 0) + (opt.commit or 0) + (opt.tag or 0)
-if total > 1:
- o.fatal('at most one option expected')
-
if opt.date:
- print _version.DATE.split(' ')[0]
+ print version_date()
elif opt.commit:
- print _version.COMMIT
+ print version_commit()
else:
- print autoname(_version.NAMES) or 'unknown-%s' % _version.COMMIT[:7]
+ print version_tag()